From: Shawn Guo <shawnguo@kernel.org>
To: Guenter Roeck <linux@roeck-us.net>
Cc: Sebastien Bourdelin <sebastien.bourdelin@savoirfairelinux.com>,
robh@kernel.org, linux-watchdog@vger.kernel.org,
mark@embeddedarm.com, devicetree@vger.kernel.org,
linus.walleij@linaro.org, linux-kernel@vger.kernel.org,
kris@embeddedarm.com, kernel@savoirfairelinux.com,
fabio.estevam@nxp.com, linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH v3 6/6] watchdog: ts4600: add driver for TS-4600 watchdog
Date: Mon, 15 May 2017 10:00:02 +0800 [thread overview]
Message-ID: <20170515020001.GI8471@dragon> (raw)
In-Reply-To: <ef75bcab-e179-1891-83f6-d26d057f8758@roeck-us.net>
On Sun, May 14, 2017 at 07:39:33AM -0700, Guenter Roeck wrote:
> On 05/11/2017 12:22 AM, Shawn Guo wrote:
> >On Fri, May 05, 2017 at 03:32:59PM -0400, Sebastien Bourdelin wrote:
> >>This watchdog is instantiated in a FPGA and can only be access using a
> >>GPIOs bit-banged bus, called the NBUS by Technologic Systems.
> >>The watchdog is made of only one register, called the feed register.
> >>Writing to this register will re-arm the watchdog for a given time (and
> >>enable it if it was disable). It can be disabled by writing a special
> >>value into it.
> >>
> >>Signed-off-by: Sebastien Bourdelin <sebastien.bourdelin@savoirfairelinux.com>
> >>---
> >>Changes v2 -> v3:
> >> - rebase on master
> >> - remove the timeout table to simplify the logic (suggested by
> >> Guenter Roeck)
> >> - fix the set_timeout function (suggested by Guenter Roeck)
> >> - hardcode the max_hw_heartbeat_ms value based on the ts4600 max
> >> timeout value supported (suggested by Guenter Roeck)
> >> - remove the max_timeout usage and set a default timeout value
> >>(suggested by Guenter Roeck)
> >> - use the devm_watchdog_register_device function instead of
> >> watchdog_register_device (suggested by Guenter Roeck)
> >>
> >>Changes v1 -> v2:
> >> - rebase on master
> >> - retrieve the ts_nbus instantiated by the parent node (suggested by
> >> Linus Walleij)
> >> - rename the wdt by watchdog in the device tree and in the
> >> documentation (suggested by Rob Herring)
> >> - add a dependency to the TS_NBUS driver in the Kconfig (suggested by
> >> Guenter Roeck)
> >> - simplify the set_timeout function (suggested by Guenter Roeck)
> >> - use the max_hw_heartbeat_ms callback instead of the max_timeout
> >> callback (suggested by Guenter Roeck)
> >>---
> >> .../devicetree/bindings/watchdog/ts4600-wdt.txt | 16 ++
> >> arch/arm/boot/dts/imx28-ts4600-common.dtsi | 5 +
> >
> >The dts change shouldn't be mixed within driver patch.
> >
>
> Maybe, but Rob Acked the devicetree changes, so I don't see a reason
> for splitting it up now.
What Rob Acked is devicetree bindings, and ARM dts changes should
normally go via arm-soc tree, unless there is a good reason they
shouldn't.
Shawn
next prev parent reply other threads:[~2017-05-15 2:00 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-05-05 19:32 [PATCH v3 0/6] Add board support for TS-4600 Sebastien Bourdelin
2017-05-05 19:32 ` [PATCH v3 1/6] of: documentation: add bindings documentation " Sebastien Bourdelin
2017-05-05 19:32 ` [PATCH v3 2/6] ARM: dts: TS-4600: add basic device tree Sebastien Bourdelin
2017-05-05 19:32 ` [PATCH v3 3/6] dt-bindings: bus: Add documentation for the Technologic Systems NBUS Sebastien Bourdelin
2017-05-11 13:50 ` Linus Walleij
2017-05-12 15:17 ` Rob Herring
2017-05-05 19:32 ` [PATCH v3 4/6] bus: add driver " Sebastien Bourdelin
2017-05-11 13:56 ` Linus Walleij
2017-05-05 19:32 ` [PATCH v3 5/6] ARM: dts: TS-4600: add NBUS support Sebastien Bourdelin
2017-05-11 13:56 ` Linus Walleij
2017-05-05 19:32 ` [PATCH v3 6/6] watchdog: ts4600: add driver for TS-4600 watchdog Sebastien Bourdelin
2017-05-08 13:27 ` Rob Herring
2017-05-11 7:22 ` Shawn Guo
2017-05-14 14:39 ` Guenter Roeck
2017-05-15 2:00 ` Shawn Guo [this message]
2017-05-15 2:30 ` Guenter Roeck
2017-05-14 14:40 ` Guenter Roeck
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